<template>
  <div class="comment-post">
    <van-field
      class="post-field"
      v-model.trim="message"
      rows="2"
      autosize
      type="textarea"
      maxlength="50"
      placeholder="请输入留言"
      show-word-limit
    />
    <van-button class="post-btn" @click="onPost">发布</van-button>
  </div>
</template>

<script>
import { addComment } from '@/api/comment'
export default {
  name: 'CommentPost',

  components: {},
  inject: {
    articleId: {
      type: [Number, String, Object],
      default: null
    }
  },

  props: {
    target: {
      type: [Number, String, Object],
      required: true
    }
  },

  data () {
    return {
      message: ''
    }
  },

  computed: {},

  watch: {},

  created () {},

  mounted () {},

  methods: {
    async onPost () {
      this.$toast.loading({
        message: '发布中...',
        forbidClick: true, // 禁用背景点击
        duration: 0 // 持续时间，0 代表持续展示，不关闭
      })
      try {
        const { data } = await addComment({
          target: this.target.toString(), // 评论的目标 ID（评论文章即为文章ID，对评论进行回复则为评论ID）
          content: this.message, // 评论的内容
          art_id:
            this.articleId.toString() === this.target.toString()
              ? null
              : this.articleId.toString() // 文章id，对评论内容发表回复时，需要传递此参数，表明所属文章id。对文章进行评论，不要传此参数。
        })
        console.log(data)
        // 关闭弹出层
        // 将发布内容展示到列表顶部
        this.$emit('post-success', data.data)
        // 清空文本框
        this.message = ''
        this.$toast.success('发布成功')
      } catch (err) {
        console.log(err)
        this.$toast.fail('发布失败')
      }
    }
  }
}
</script>

<style scoped lang="less">
.comment-post {
  display: flex;
  align-items: center;
  padding: 32px 0 32px 32px;
  .post-field {
    background-color: #f5f7f9;
  }
  .post-btn {
    width: 150px;
    border: none;
    padding: 0;
    color: #6ba3d8;
    &::before {
      display: none;
    }
  }
}
</style>
